CVE-2021-28841 — HIGH (7.5)

Vulnerability Description

Null Pointer Dereference vulnerability in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service by sending a POST request to apply_cgi via an action ping_test without a ping_ipaddr key.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Trendnet	Tew-755Ap Firmware	1.11b03
Trendnet	Tew-755Ap	-
Trendnet	Tew-755Ap2Kac Firmware	1.11b03
Trendnet	Tew-755Ap2Kac	-
Trendnet	Tew-821Dap2Kac Firmware	1.11b03
Trendnet	Tew-821Dap2Kac	-
Trendnet	Tew-825Dap Firmware	1.11b03
Trendnet	Tew-825Dap	-

Related Weaknesses (CWE)

CWE-476

References

https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdfThird Party Advisory
https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdfThird Party Advisory

FAQ

What is CVE-2021-28841?

CVE-2021-28841 is a vulnerability with a CVSS score of 7.5 (HIGH). Null Pointer Dereference vulnerability in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of s...

How severe is CVE-2021-28841?

CVE-2021-28841 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28841?

Check the references section above for vendor advisories and patch information. Affected products include: Trendnet Tew-755Ap Firmware, Trendnet Tew-755Ap, Trendnet Tew-755Ap2Kac Firmware, Trendnet Tew-755Ap2Kac, Trendnet Tew-821Dap2Kac Firmware.